
Configuration and Data Connectivity
Printer Graphic Commands
| Printer Command String | Printer Action | 
| ESC a n | Select dot line spacing between printed lines. | 
| ESC J n | Graphic Line Feed command | 
| ESC P # | Select Online mode, characters printed as received | 
| ESC P $ | Select Buffer mode, characters are printed on (^D) | 
| ESC V n1 n2 data | |
| ESC v n1 n2 data | 
Magnetic Card Reader Control Commands
| Printer Command String | Printer Action | 
| ESC M nnm CR | Select MCR with nn auto timeout.. | 
| ESC C | Cancel MCR read process. | 
Graphic Logo and Bar Code Commands
| Command String | Printer Action | 
| ESC L G n | Prepare printer to load image | 
| ESC G 0x0FF | Loading Logo Complete | 
| ESC L g n | Print stored logo image | 
| ESC z n1 n2 L data | Print Bar Code without visible text | 
| ESC Z n1 n2 L data | Print Bar Code with visible text | 
| ESC Q J n | Reverse Dot Feed | 
| ESC Q Q n | Set Out of Paper Sensitivity | 
| ESC Q F m | Set Forward Black Mark Seek | 
| ESC Q B m | Reverse Black Mark Seek | 
Printer Supervisory and Control Commands
| Command String | Printer Action | 
| ^V | Buffer, power timer & battery status | 
| ^B | Buffer status | 
| ESC P ^ | Print Battery Voltage | 
| ESC P alpha | Time and date print and control | 
| ESC M 000 CR | Disable the power down timer | 
| ESC M nn0 CR | Sets the power down timer to nn seconds | 
| ESC M C | Reset Auto power down to 20 seconds | 
| ESC P ( | Firmware version query | 
| ESC P ) | Hardware model query | 
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